21820370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15259}}^1$

素因数の和:15290

約数の個数: 32

約数和(自身を含む): 46146240

約数和(自身を除く): 24325870

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 15259, 30518, 76295, 152590, 167849, 198367, 335698, 396734, 839245, 991835, 1678490, 1983670, 2182037, 4364074, 10910185, 21820370]

約数ペア:

[(1, 21820370), (2, 10910185), (5, 4364074), (10, 2182037), (11, 1983670), (13, 1678490), (22, 991835), (26, 839245), (55, 396734), (65, 335698), (110, 198367), (130, 167849), (143, 152590), (286, 76295), (715, 30518), (1430, 15259)]